On 2/17/2015 3:25 PM, Procházka Lukáš Ing. - Pontex s. r. o. wrote:

Hello,

a slightly modified example:

---- t.xml

<a> <aa number="111">AA</aa> <ab number="222">AB</ab> </a>

----

and the Ctx source:

---- t.mkiv

\startxmlsetups xml:T \xmlfunction{#1}{test} \xmlsetsetup{\xmldocument}{*}{+} % \xmlsetsetup{\xmldocument}{*}{-} % Empties output?! \xmlsetsetup{\xmldocument}{a/aa}{xml:*} \xmlsetsetup{\xmldocument}{a/ab}{xml:*} \stopxmlsetups

\startluacode local aux = aux; if not aux then aux = {}; _G.aux = aux end

xml.functions.aa = function(t) aux.num = t.at.number end \stopluacode

\startxmlsetups xml:aa \xmlfunction{#1}{aa} \stopxmlsetups

\startxmlsetups xml:ab \xmlfunction{#1}{ab} \ctxlua{context.section("New section " .. (aux.num or "??"))} \xmlflush{#1} \stopxmlsetups

\xmlregistersetup{xml:T}

\starttext Hello

\xmlprocessfile{id}{t.xml}{} \stoptext

----

Two (remaining) questions:

1)

Why the line "\xmlsetsetup{\xmldocument}{*}{-}" (try to uncomment!) causes the whole output is empty, even if I specify another operation for "a/ab" elements later?

My intention is to have "{*}{-}" (don't flush anything by default), excluding elements specified later, e.g. "a/ab" (with another operation specified); how to achieve this?

2)

How to get "aa.number" from within "ab" element?

I believed "\xmlatt{#1/../aa}{number}" within "a/ab" will do that, but....? How to do that?

I have a partial solution: when processing "a/aa", I save an attribute value to a Lua variable, which I use later; but this solution doesn't look very "clean" for me; I'd rather find a way to access parental (first) child attributes form within a node...

\startbuffer[demo] <a> <aa number="--">--</aa> <aa number="a1">A1</aa> <ax number="x1">X1</ab> <ab number="b1">B1</ab> <aa number="--">--</aa> <aa number="a2">A2</aa> <ax number="x2">X2</ab> <ab number="b2">B2</ab> <aa number="--">--</aa> <aa number="a3">A3</aa> <ax number="x3">X3</ab> <ab number="b3">B3</ab> </a> \stopbuffer \startxmlsetups xml:initialize \xmlsetsetup{#1}{*}{xml:*} \stopxmlsetups \startxmlsetups xml:a \xmlflush{#1} \stopxmlsetups \startxmlsetups xml:aa \par <aa>\xmlflush{#1}</aa> \par \stopxmlsetups \startxmlsetups xml:ax \par <ax>\xmlflush{#1}</ax> \par \stopxmlsetups \startxmlsetups xml:ab \par <ab> \xmlflush{#1}:\space aa: \xmlfilter{#1}{reverse-sibling::[tag() == 'aa']/attribute('number')}\space ax: \xmlfilter{#1}{reverse-sibling::[tag() == 'ax']/attribute('number')}\space </ab> \par \stopxmlsetups \xmlregistersetup{xml:initialize} \starttext \xmlprocessbuffer{main}{demo}{} \stoptext ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------